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Slow Cooker French Onion Soup

A comforting and rich French onion soup made easily in a slow cooker.
Print Recipe
Preparation Time: 15 minutes
Cook Time: 8 hours
Total Time: 8 hours 15 minutes
Course: Soup
Cuisine: French
Servings: 6 servings
Calories: 350 kcal

Ingredients 

Main Ingredients

  • 6 large Onions thinly sliced
  • 4 tablespoons Butter
  • 2 cloves Garlic minced
  • 1 cup Dry White Wine
  • 8 cups Beef Broth
  • 1 teaspoon Thyme dried
  • 1 teaspoon Salt
  • ½ teaspoon Black Pepper
  • 1 baguette French Bread sliced and toasted
  • 2 cups Gruyere Cheese grated

Instructions 

  1. 1. In a large skillet, melt the butter over medium heat. Add the onions and cook, stirring occasionally, until they are caramelized, about 20 minutes.
  2. 2. Add the garlic and cook for another minute.
  3. 3. Pour in the wine to deglaze the skillet, scraping up any browned bits from the bottom.
  4. 4. Transfer the onion mixture to the slow cooker. Add the beef broth, thyme, salt, and pepper. Stir to combine.
  5. 5. Cover and cook on low for 8 hours.
  6. 6. Preheat the broiler. Ladle the soup into oven-safe bowls, top with toasted bread slices, and sprinkle with Gruyere cheese.
  7. 7. Place the bowls under the broiler until the cheese is melted and bubbly, about 2-3 minutes.
  8. 8. Serve hot and enjoy!

Nutritional Value

Calories: 350kcal | Carbohydrates: 45g | Protein: 15g | Fat: 12g | Saturated Fat: 7g | Cholesterol: 35mg | Sodium: 1200mg | Potassium: 400mg | Fiber: 4g | Sugar: 10g | Vitamin A: 500IU | Vitamin C: 10mg | Calcium: 300mg | Iron: 2mg

Keywords

Comfort Food, Slow Cooker
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